Add test for multiple constraints (attributes)

Author: KostasTsiounis

closed/test/jdk/openj9/internal/security/TestConstraintsSuccess.java

@@ -78,10 +78,15 @@ private static void getInstances() throws Exception {
         TrustManagerFactory.getInstance("SunX509");
         SSLContext.getInstance("TLSv1.3");
 
-        // Since there are two constraints for MD5, the second one allows
-        // for use by this class, successfully getting the algorithm
+        // Since there are two constraints for MD5, with only the second one
+        // allowing for use by this class, successfully getting the algorithm
         // verifies that all constraints are checked.
         MessageDigest.getInstance("MD5");
+
+        // Since there are two constraints for SHA512withECDSA, with only the
+        // second one having the correct attribute, successfully getting the
+        // algorithm verifies that all constraints are checked.
+        Signature.getInstance("SHA512withECDSA");
     }
 
     @Test

closed/test/jdk/openj9/internal/security/constraints-java.security

@@ -41,6 +41,8 @@ RestrictedSecurity.TestConstraints.Version.jce.provider.1 = sun.security.provide
 RestrictedSecurity.TestConstraints.Version.jce.provider.2 = sun.security.ec.SunEC [ \
     {AlgorithmParameters, EC, *, ModuleAndFullClassName:java.base/java.security.KeyPairGenerator}, \
     {Signature, SHA256withECDSA, *, FullClassName:TestConstraintsSuccess}, \
+    {Signature, SHA512withECDSA, KeySize=255, FullClassName:TestConstraintsSuccess}, \
+    {Signature, SHA512withECDSA, KeySize=256, FullClassName:TestConstraintsSuccess}, \
     {KeyPairGenerator, EC, *, FullClassName:TestConstraintsSuccess}, \
     {KeyAgreement, ECDH, *, FullClassName:TestConstraintsSuccess}, \
     {KeyFactory, EC, *, FullClassName:TestConstraintsSuccess}]